Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:c69af219-74ad-6257-9e9e-09f371e3b21e 2026-05-14T05:46:01-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services UMC: TAN WEN YI (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 650,600 urn:uuid:63e26a58-8d59-d859-5a85-91d7b10d9658 2026-05-07T06:27:17-04:00 UMC: LU CHIA AO (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 170k urn:uuid:75ef6ae4-c94c-0b26-2fbc-5fdf34d1eccf 2026-05-07T06:26:12-04:00 UMC: LIAO CHING YU (GC,VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 732,480 urn:uuid:c674a0ac-cc44-3032-e88b-06ceb9c99ba0 2026-05-07T06:25:11-04:00 UMC: CHEN JIN SHUANG (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 2.3mm urn:uuid:bd025a5b-20d2-b288-0f7a-4de037a2dafb 2026-05-07T06:24:08-04:00 UMC: KUO LIN WU (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 913,080 urn:uuid:49ba6e8f-474a-aef6-fef7-823f408c7f80 2026-05-07T06:23:05-04:00 UMC: LIN MING YU (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 3.5mm urn:uuid:9a256e38-a9d8-61e1-0b24-46f31405ccbd 2026-05-07T06:21:50-04:00 UMC: LIN MING YU (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Indirect Holdings of 781,408 urn:uuid:bda9576e-a45d-e541-1e19-c776f9aa7565 2026-05-07T06:21:50-04:00 UMC: HSU SHU FEN (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 1.6mm urn:uuid:2aba49d0-0755-375c-4fe4-d19e1648e888 2026-05-07T06:20:46-04:00 UMC: HSU SHU FEN (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Indirect Holdings of 7k urn:uuid:69b0c892-9a0d-e0a7-6f13-28570f1bcba6 2026-05-07T06:20:46-04:00 UMC: LIU SHIH WEI (VP) Filed a Form 3, Becoming a Registered Insider at UNITED MICROELECTRONICS CORP With Initial Direct Holdings of 2.2mm urn:uuid:9297fa22-9843-6b87-e851-b9210a4ed999 2026-05-07T06:19:40-04:00